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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-23 17:28:20 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:22 -0700
commitaa7bd942498512d6b77d1d0da846a8ecdd5d6186 (patch)
tree9a420b59a1e862ea47a4c5f89601ffbdf3366922 /arch/um/sys-i386/shared/sysdep/host_ldt.h
parent4198426af37e7122f2fda2538fa9dcaa19c5e397 (diff)
x86, um: get rid of header symlinks
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/um/sys-i386/shared/sysdep/host_ldt.h')
-rw-r--r--arch/um/sys-i386/shared/sysdep/host_ldt.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/um/sys-i386/shared/sysdep/host_ldt.h b/arch/um/sys-i386/shared/sysdep/host_ldt.h
new file mode 100644
index 00000000000..0953cc4df65
--- /dev/null
+++ b/arch/um/sys-i386/shared/sysdep/host_ldt.h
@@ -0,0 +1,34 @@
+#ifndef __ASM_HOST_LDT_I386_H
+#define __ASM_HOST_LDT_I386_H
+
+#include <asm/ldt.h>
+
+/*
+ * macros stolen from include/asm-i386/desc.h
+ */
+#define LDT_entry_a(info) \
+ ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff))
+
+#define LDT_entry_b(info) \
+ (((info)->base_addr & 0xff000000) | \
+ (((info)->base_addr & 0x00ff0000) >> 16) | \
+ ((info)->limit & 0xf0000) | \
+ (((info)->read_exec_only ^ 1) << 9) | \
+ ((info)->contents << 10) | \
+ (((info)->seg_not_present ^ 1) << 15) | \
+ ((info)->seg_32bit << 22) | \
+ ((info)->limit_in_pages << 23) | \
+ ((info)->useable << 20) | \
+ 0x7000)
+
+#define LDT_empty(info) (\
+ (info)->base_addr == 0 && \
+ (info)->limit == 0 && \
+ (info)->contents == 0 && \
+ (info)->read_exec_only == 1 && \
+ (info)->seg_32bit == 0 && \
+ (info)->limit_in_pages == 0 && \
+ (info)->seg_not_present == 1 && \
+ (info)->useable == 0 )
+
+#endif